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Agronomic Services — Soilless Media Analysis

Kristin A. Hicks, Ph.D., section chief

Media analysis (using the saturated media extract procedure) helps growers fine-tune their fertilization programs for container crops grown in soilless media by enabling them to monitor changes in electrical conductivity, pH and nutrient levels.

Standard analysis includes: nitrate-nitrogen, ammonium-nitrogen, phosphorus, potassium, calcium, magnesium, sulfur, iron, zinc, manganese, copper, boron, sodium, chloride, aluminum, pH, electrical conductivity/soluble salts.

Standard fee per sample:

  • NC* growers $5
  • NC* researchers $12
  • Non-NC growers or researchers $25

Extra tests may be added to the standard analysis for an additonal fee:

  • Molybdenum (Mo) - $2
  • Bulk Density (BD) - $10

*Samples qualify for the in-state rate if they originated in North Carolina. Research samples require an annual research agreement prior to submission. All research samples receive a 10% analysis recheck for quality control at no added cost.

How to collect & submit a soilless media sample

Soilless Media Sample Information Form
Soilless Media Analysis Guide
Media Sampling for Nursery/Greenhouse Managers Handout

How to find & interpret my report

Report Search (PALS)
Sample Turnaround Times
Understanding the Soilless Media Report

Soilless Media Sample Analysis Plant/Waste/Solution/Media Analytical Procedures
Sample Containers Sample containers are not provided by NCDA&CS. Submit 1–2 quarts of a representative sample in a sealed plastic bag.
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Last Update October 17, 2017

 

NCDA&CS Agronomic Services Division, Colleen M. Hudak-Wise, Ph.D., Director
Mailing Address: 1040 Mail Service Center, Raleigh NC 27699-1040
Physical Address: 4300 Reedy Creek Road, Raleigh NC 27607-6465
Phone: (919) 733-2655; FAX: (919) 733-2837



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